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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Income Tax (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Nov. 30, 2015
Nov. 30, 2014
Aug. 31, 2015
Income Taxes [Line Items]      
Income Taxes Receivable $ 11,943   $ 11,713
Federal tax provision at statutory rates 35.00% 35.00%  
State Taxes, net of Federal benefit 0.40% 0.50%  
Differences in foreign tax rates (4.70%) (4.60%)  
Permanent items and other adjustments 2.00% 3.20%  
Increase (decrease) in Foreign valuation allowance 1.10% 2.90%  
Provision for income taxes 33.80% 37.00%  
Decreased Taxable Loss in Colombia [Member]      
Income Taxes [Line Items]      
Effective income tax rate change 3.25%    
changes in foreign income tax rates [Member]      
Income Taxes [Line Items]      
Effective income tax rate change 0.53%    
Tax contingencies [Member]      
Income Taxes [Line Items]      
Provisional assessments     5,200
Tax contingencies [Member] | Withholding taxes [Member]      
Income Taxes [Line Items]      
Provisional assessments     $ 2,600
Country that does not allow a refund or offset excess income tax against other taxes [Member] | UNKNOWN COUNTRY      
Income Taxes [Line Items]      
Income Taxes Receivable $ 1,700    
Deferred Tax Assets, Net $ 1,600